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Finding the Fourth Proportional to 195,408.40, 293,112.60 and 169,747.60

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Solution

The fourth proportional to 195,408.40, 293,112.60 and 169,747.60 is: 254,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,408.40 : 293,112.60 = 169,747.60 : x
  2. Step 2: Convert to fraction form
    195,408.40/293,112.60 = 169,747.60/x
  3. Step 3: Cross multiply
    195,408.40x = 293,112.60 × 169,747.60
  4. Step 4: Simplify right side
    195,408.40x = 49,755,160,379.76
  5. Step 5: Solve for x
    x = 49,755,160,379.76/195,408.40
  6. Step 6: Final answer
    x = 254,621.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.